/Engine/Source/Runtime/Engine/Public/ActiveSoundUpdateInterface.h
Gathers interior data that can affect the active sound. Non-const as this step can be used to track state about the sound on the implementing object NOTE! Called on the AudioThread
virtual void GatherInteriorData ( const [FActiveSound](API\Runtime\Engine\FActiveSound) & ActiveSound, [FSoundParseParameters](API\Runtime\Engine\FSoundParseParameters) & ParseParams )